2010-10-22 Artjoms Sinkarovs <artyom.shinakroff@gmail.com>

2010-10-22  Artjoms Sinkarovs <artyom.shinakroff@gmail.com>
	Andrew Pinski <pinskia@gmail.com>

	* c-typeck.c (build_array_ref): Handle subscripting of vectors.
	* doc/extend.texi: New paragraph

	c-family/
	* c-common.h (c_common_mark_addressable_vec): Declare.
	* c-common.c (c_common_mark_addressable_vec): New function.

	testsuite/
	* gcc.c-torture/execute/vector-subscript-1.c: Likewise.
	* gcc.c-torture/execute/vector-subscript-2.c: Likewise.
	* gcc.c-torture/execute/vector-subscript-3.c: New testcase.
	* gcc.dg/vector-subscript-1.c: Likewise.
	* gcc.dg/vector-subscript-2.c: Likewise.
	* gcc.dg/vector-subscript-3.c: New testcase.
	* gcc.dg/array-8.c: Adjust.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165861 138bc75d-0d04-0410-961f-82ee72b054a4